류승룡

Kang Jin-bong

염정아

Oh Se-yeon

박세완

Young Oh Se-yeon

옹성우

Park Jeong-woo

심달기

Hyun-jeong

하현상

Kang Seo-jin

박영규

Jin-bong's Father

김혜옥

Jin-bong's Mother

전무송

Mr. Choi

신신애

Landlady

김종수

Mokpo High School Teacher

고창석

Purser

염혜란

Hyeon-jeong

김선영

Jeong-ah

류현경

Homeroom Teacher

김선화

Se-yeon's Boarding House Friend

박경찬

Doctor

정영섭

PD

김인경

Choreography team